#!/usr/bin/env python2

from numpy import arange

def str_of_is(t):
    i, s = t
    l = map(str, i)
    if s == 1:
        s = "0"
    else:
        s = "1"
    l.append(s)
    return ', '.join(l) 

# permutations of 3 indexes and their sign
p3 = [([0, 1, 2],1), 
      ([0, 2, 1], -1), 
      ([1, 0, 2], -1), 
      ([1, 2, 0], 1), 
      ([2, 0, 1], 1), 
      ([2, 1, 0], -1)]

def regge_index_permutations():
    a = arange(9).reshape(3,3)
    
    for pc, sc in p3:
        for pr, sr in p3:
            s = sr * sc
            m = a[:,pc]
            m = m[pr,:]
            yield (m.reshape(9),s)
            m = a.transpose()[:,pc]
            m = m[pr,:]
            yield (m.reshape(9),s)

src = '''/* automatically generated */

extern int regge3j_index_permutations_table [720] = {
''' + ",\n".join(map(str_of_is, regge_index_permutations())) + '\n};'

print src